- HbA1c >7.0% and >= 1 episode of confirmed nocturnal hypoglycemia (BG <4.0 mmol/L) or >= 2 measurements of FG <=6.0 mmol/L within the previous week Patients who completed the run-in phase with HbA1c >7.0% and did not meet the randomization criteria will continue titrating insulin glargine and be followed until the end of study.